import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:flutter_plugin_print_a300/flutter_plugin_print_a300.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  //打印机列表
  var printList = [];

  final _flutterPluginPrintA300Plugin = FlutterPluginPrintA300();

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {

      platformVersion =
          await _flutterPluginPrintA300Plugin.getPlatformVersion() ?? 'Unknown platform version';

      printList = await _flutterPluginPrintA300Plugin.addressList();
      print(printList);

    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  // "prefix_move":"2",
  void _testPrint() async {
    await _flutterPluginPrintA300Plugin.nativePrint(
        {"brand":"B",
          "prefix":"6-21",
          "suffix":"8090",
          "shop": "布莱特玩具专营店",
          "package": "A01黑粉蓝银+收纳袋+回单费用+报价费用+运费合计+POP12345678901234",
          "barcode": "POP12345678901234",
          "qrcode": "https://item.jd.com/10061294951080.html,服务单号:24244444451"
        },
        null);
  }


  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Text('Running on: $_platformVersion\n'),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: _testPrint,
          tooltip: 'Increment',
          child: const Icon(Icons.print),
        ),
      ),
    );
  }
}
